Service difficulty report · Support Beam · Boeing 7272Q9

Difficulty date
June 17, 2007
Submitted
June 17, 2007
Operation
Air carrier
Aircraft
N740DH
Make and model
Boeing 7272Q9
Aircraft serial
21930
Aircraft time
47,830 hours, 38,228 cycles
Part
Support Beam
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

C CHECK N/R 053950, HORIZ MIDCHORD SUPPORT BEAM CORRODED AT BS 312 LT. REMOVED HORIZONTAL BEAM SUPPORT BEAM IAW B727 SRM 51-30-2. DUE TO CORROSION BEING OUT OF LIMITS, IAW B727 SRM 53-10-1 FIG 1, FABRICATED NEW SUPPORT BEAM FROM AND10137-3001 7075-T6 PO NR 7212319 DIM 29.2 LENGTH IAW B727 SRM 53-10-2 FIG 2 AND BOEING DWG 65-18915 AND B727 SRM 51-20-1. TREATED AND PRIMED PARTS IAW B727 SRM 51-10-2. INSTALLED NEW SUPPORT BEAM AT BS 312 L/H IAW B727 SRM 51-30-2.

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